Tire-forming machine



J. D. LACROIX TIRE FORMING MACHINE Feb.27,1923. 1,446,755

- Filed Apr. 16, 1921 e sheetssheet 1 J. D. LACROIX' Feb. 27, 192 s. 1,44s,755f

TIRE FORMING MACHINE Fiied Apr. .16, 1921 a sheets-shet sv Feb. 27, 1923.

1,446,755 J. D. LACROIX TIRE FORMING MACHINE Fiied Apr. 16, 1921 6 sheets-shet 4 hag Feb."Z7,1923. 1,4465755 J. D. LAcRolx TIRE FORMI'NG MACHINE Filed Apr. 16, 1921 6 sheets-sheet 5 Feb. 27, 19 23.

. J. D. LACROIX TIRE FORMING MACHINE Filed Apr. 16, 1921 6 sheets-meet 6 F76. .ZW

Patented Feb. 2?, i923 Josnrn n. LACE-91X, on New ORLEANS, Louisiana, Asst-anon To irnnnY-srznrne- FIELD Tran OQMPAIJY, a oonroaarron or NEW JERSEY-r Tran-romaine MACHINE.

Applicationfilecl April 16, 1921. Serial No. 461,997.

To all whom it may concerns Be it known that I, Josnrrr D. Liionoix, a citizen of the United States of America, residing at New Orleans, La, in the parish of Orleans and State of Louisiana, have invented certain new and useful Improvements in a T ire-Forming Machine, of which the following is a specification.

This invention relates to'rnachin'es known in the tire building art. to which it pertains, as tire carcass forming machinesparticularly tothat type of machine characterized by a revoluble core upon which the fabric structure is formed in successive plys and having juxtaposed thereto a device, known as a stitcher, the function of which is to roll, or compress, the fabric in conformity with the contour of the core.

The universal method of constructing the fabric carcass is to apply the fabric, ply by ply, upon the core, each complete ply-being independently laid by stitching prior to stretching the succeeding strip thereon. These fabric plys are coated with an .ex-

ceedingly sticky rubber compound which renders themdifiicult of' handling and liable to adhere with great tenacity to any surface with which they contact, This property of adhesion requires that the process of laying the strips upon the core, or upon the last preceding ply, be performed with considerable skill and precision, without which the fabric is apt to inadvertently come into contact immediate path of the titching disc and adhere thereto in a manner conduc ve to the format] on of buckles, or creases; a condition requiring that the defective ply be. removed,

or indeed, that the entire structure be condemned. One of the objects of this invention is to provide against the possibility of the unapplied fabric contacting prematurely or improperly with the core. or a preceding layer, by the introduction of radially inorable fabric su 'iporting members which eflew tively shield the underlying surface and yet retreat radially inwardly at a predetermined rate as the stitcher disc follows gradually downwardly" of': the core. from the median plane to the bead ring, orinner or selvage ed we. j

n the Well known operation of stitching, the disc must effect a compression of the skirts, or flying edge, of the. fabric ply as it progress of the stitching radially inwardly of the core. Duringthis operation 1 the stitcher disc Wheel is caused to assume an angle with respect of the normal face of the core tending to set up a wiping or sliding action between disc and fabric at their point of contact. As this operation progresses the stitcher disc may feed radially inwardly at too great a speed to properly lay the fabric;

'buckles'may be formeddue to the absence of any means of shielding the unapplied portions of the fabric from the core. The

provision of fabric support arms, in my-inventlon, will automatically safe-guard against damage due to excessive feed on the stitcher for the reason that the rate of radial withdrawal of the supports is a predetermined function of the rate of revolution of the revoluble core; that is, it may be determined in the related gearing that the support arms shall retract one-eighth of an inch to each complete revolution of the core, or

desired linear degree. By my device it 1.

Wl be observed that the rate. of retraction of the arms Will serve as a gulde to. the opi erator in his control'xof the stitcher feed, and

thu require that each ply be uniformly laid.

In the constructionof carcasses ofthe cord type the plys are" out on thebias, so that, as applied on. the core the strands cross the circumference in ar cuate paths this" characteristic being illustrated in Fig. v III and Fig. XVll'of' the accompanying with a portion of the core'other than in the drawings Succeedingplys'are added so that the direction of the. strands, iii-bias, is reversed with respect of the underlying ply. the stitching of these cord plys experience has demonstrated the desirability of causing .ing. only in'the direction of th'e cordsitwill he observed that but one. side of the core should be stitched down. while rotation is: in the direction. favorable. thereto it-bein'gi desirable to reverse the direction of'rotat'ion of the. core when shifting the stitcher-tothe opposite side to lay the other half of the ply. Fig. III shows the direction ofrotation of the. core to lay thecord; shown fragm-ental View; it being obvious thatthe directionjof rotation therein indicated by the arrow would be. reversed during the. stitching; of

7 prevailing type.

the unapplied half of the fabric upon the opposite ide of the core. My inventlon 1s particularly adapted for forming cord tires,

as facility for reversing the core has been provided in the mechanical control forming a part of the invention, and for the further reason that the fabric support arms are es pecially effective in assisting in the manipulation of cord fabric.

It has been proved by experience that the compression of the cord fabric radially inwardly of the core by spinning or stitching is more difficult than the same operation on cross-woven fabric, and my invention has particularly sought to Overcome the difficulties heretofore unsolved by machines of the Among the elements contributing to the success of my present machine is the particular design of the stitcher disc, particularly shown in Fig. XVII, and specifically claimed in a co-pending application Serial No. 470,681, filed ,Mav. 18th,

1921; it being deemed sufficient for the purpose of illustrating the advantages of my fabric support arms to call'attention to the saw-tooth edge and fluted portions therebetween and to note that there is a related and beneficial function between the means for, and method, of supporting'the unapplied fabric and the form of the contacting periphery of the stitcher disc. It is noted that the periphery of the stitcher disc, when normally and properly associated with the retreating fabric supports tends to run a well-defined circumferential crease in the fabric, see Fig. XV and Fig. XVI. The

' effect of this relation of parts is that the saw-toothed and fluted disc advances by a small, but well-defined, step-by-step contact with the fabric formed within the above mentioned crease or angle. The resulting consequence to the fabric, being thus prevented from straightening out under centrifugal action by the disc contact, is that it tends to fold or crease between the teeth of the disc, as may be readily appreciated.

The creasin or crim in of the fabric in 67 b regular and uniform waves is most beneficial, as by this formation uniform compression of the fabric is attained as the unapplied skirts are gradually stitched down. These creases or waves, shown greatly ex- 1ggerated and enlarged in Fig. XVII, are

flattened out by the disc successively passing I over them. A smooth-edged stitcher disc is liable to crowd or scufl'-up the fabric ahead of it' in the compression operation, thus causing separation of the cords, or buckling.

Vith these and other objects in view, the

invention consists in the novel construction and arrangement of parts hereinafter deapplication f this machine to the construeunderstood with the explanation that the machine comprises two practically similar and independently controlled halves. The right hand mounting, with its component parts and gearing, including the chuck element, being similar, except as otherwise in-' dicated, to the left hand side. The left hand mounting is slidably removable from the right, separation being from the clutch faces of the chuck. The gearing of'the left side as hereafter explained, is arranged to revolve the core in an opposite direction to' that produced by the gearing within the right hand side withoutreversing the main power source. both right and left elementsin the vertical shafting within the housings; one of them habitually being out while the other is in, thus providing for reversal of the core at the will of the operator. The fabric arm reciprocating gear is controlled independ- 'ently on each housing, it being noted that either right or left hand-arms may be operated irrespective of the position of the power drive clutches on'the aforementioned vertical shafts within the housings. In the stitching of cord fabric it is advantageous to operate completely on one half of the core at one time, thus only requiring that the fabric support arms function on the side being stitched; the opposite side being thereafter laid when the core revolution is reversed and the adjacent fabric supports then utilized. Should it be desired to stitch both sides of the core simultaneously by independent stitcher discs it is possible to cause both sets of fabric arms to function simultaneously, as these elements are driven .in coacting relation by a common power source in constant operable relation to each; it being only necessary to clutch their re-' spective operating cams into gear with the respective worm wheels within each of the The worm wheels being on parts housings. of the respective core driving shafts not affected by the clutches for selectively driving the core in different directions.

Similar numerals of reference are used to denote corresponding parts in the accompanying drawings, which merely show a preferred form and a practical embodiment of the invention, it being noted that the in vention is susceptibleof a wide range of variation in means for utilizing-it without departing from the principles thereof.

In these drawings: V F l is'a general plan view of the entire machine; a portion of the core being A clutch is interposed; on

shown in section adjacent the stitching device; also a ply offabric is shown as'just applied, the core being assumed in rotation, throwing the skirts of the fabriccentrifugally outward, and the fabric arm shown at its outer travel at the moment of applying the stitcher disc. This view shows the housings separated for the purpose of removing or mounting the core; it beingnoted that-the fabric support arms have not been indicated on theleft handchuck, also that but one such arm is ilh strated on the right hand chuck. In operation the chucks are together and clutched in nonrotatable relation. It is noted thatthe machine may be successfully operated with only the righthand side in use, that is, with the left housing drawn away. In this condition the cord or fabric may be laid on the side of the core adjacent the drive. The core can then be removed from the chuck, turned about and remounted with the unapplied fabric. exposed to the stitcher disc and that side laid as was the first.

Fig. II is a front elevation, partially in section, withthe chucks clutched in' normal operable position. The mechanism within the respective housings being similarexcept as otherwise noted; that delineated for the right hand element is particularly shown. It is noted that the transmissionge'ar in the left hand llOHSZlIlg" for taking motion from the splined drive shaft from the rightside is different as shown within the broken-away view; this difference in gearing is for the purpose of providing a differentdirectio-n of rotation of the respectivercore driving means within the two housings,one of such independent drives being always out of clutch. The left hand housing, beingthe movable one, means are shown thereon for effecting its slidable relation with respect of the right hand element.

Fig. III is a sectional view through right hand housing on the line III-III of Fig. II. In this view is shown the core with its fabric support arms partially retracted and a fragmental section of cord fabric on the core adjacent the stitching disc. The cam wheel that actuates the fabric" arms is illustrated in gear with the worm wheel.

Fig. IV is an enlarged fragmental view of the cam wheelshowing its clutch bolt for engaging it with the constantly revolving worm wheel and the automatic stop device for controlling it. The bolt is in the off position, thus illustrating the cam idle. This view applies to either housing.

Fig. V is a. section through the plane TV of Fig. IV showing the cross section of the automatic bolt stop and release.

Fig. VI is an enlarged section through the head of either housing showing the reciprocating tubular cam, slidably but nonrotatably splined to the core driving. shaft;

also theoscillating fabric arm manipulating spindle, keyed'in tubular cam'.

Fig. V-II is a'sectional elevationof the. righthandchuck showing the gear: for reciprocating the fabric support arms when the spindleisosci'llated within the spiral cam: Also thegear for chucking the core.

Fig. VIII'is an elevation ofthe left'hand chuck illustrating the-clutch face adapted to engage the complementary register on the right hand chuck. It-being remarked that the gearing: for imparting reciprocatory motion to the fabric sup port'arms is similar to that of the right hand chuck,

FigJIX is-a partial section through the plane IXIX of Fig. VII showing the relation of the. internal gearing. withinv the right hand chuck. It being. noted that so much of-the gear as is applicable to actuating the fabric. support-arms is also common tothe left hand chuck. I

Fig. X- is aface view. on a small scale, of the right hand chuck, showing the clutch; also the self-contained gearingifor chucking the core. i I

Fig. XI is a face view, ona smallscale, of the left hand chuck showing. the clutch.

Fig. XILis an elaboration of FigfVII showing, partially iii-diagram, the behavior of the fabric. support arms duringone complete cycle of stitchingor the result of one fullrevolution of the cam wheel between its manual release and automatic stop. This view applies also to the left hand chuck and is hereafter more fully explained.

Fig: XIII shows a preferred form. of fabric support palm. Fig. XIV shows a half section ofthe core and chuck, with a. ply of' fabric stretched, and the fabric support all .theway out at the" spiral cam slot of the the moment that the stitcher 'disc is applied.

Fig. XV is a further operation on the fabric ply as it is being. stitched down; the disc is shown following the retreating armsradiallydownward of the core.

Fig. XVI is a further operation on the fabric ply, the'operation being nearly com-- plete. i

Fig. II is an enlarged view of the sawtoothed and fluted stitcher disc, showing the rimping effect on the fabric as it is compressed and supported by the palms of 'the fabric arms. The degree of crin'iping being exaggerated. i

. eferring specifi cahy to the drawings the preferred formof the invention will be desoribedz- Base and main drive gear.This device comprises a bed plate 1', having a right hand stationary housing 2 thereon; a left hand axially slida-ble housing 3, slidable within a track 4, 'andactuated therein by a pinion 5 on ashaft Ghaving a hand wheel 7, all journaled on the housing 3, the pinion engages a rack 8 on the bed plate 1. On the bed plate is a stitcher dev1oe 9 having a I disc 10, the element being slid-able on a track .11 on the bed plate. SeefFigs. I, II and III.

The power mechanism comprises a source of power 12, suitably geared to drive a shaft 13 having a clutch14 therein. Shaft 13 enters housing 2' within which it is ournaled. Clutch 14 is controlled by a lever 15 on housing 2 operating through a link 16 to actuate a suitable shifter 17. See Figs. 1, H and TH. 7

Power transmission to the core revolving chucksis from shaft 13 which has, within the housing 2, a worm 18 keyed thereon and engaging a worm wheel 19 keyed to a hand mountings is giventhe same number mounting. 7

007 6 driving mechanism within housings.As this gear is similar for both right and left hand elements of the machine only that within the right hand housing will be described, it being understood that all parts assigned to its counterpart in the other not excepted are common to both. The de-- scription starts with vertical shaft 23.

A worm 27 1s keyed upon shaft 23, meshing with. a worm wheel 28 keyed on counter shaft 29. Juxtaposed to worm wheel 28 and rotatablyjournaled on shaft 29 is a cam wheel. 30. It is noted that the gearing and parts thus far described under this heading,

with the exception of the cam wheel 30, are

adapted to continuously rotate in both housings whenever the main drive shaft is in motion.

llngagcment of cam wheel 30 with worm wheel 28, which drives it, is effective as follows, see Fig. IV. Within the side of the wheel 23, in concentric relation, arcaplu- V rality of counter-bored openings 31, adapted to engage the end of a clutch bolt 32 housed in a counter-bore 33 off-centre within 7am wheel 30. Bolt 32 is provided with a suitable shoulder against whicha spiral spring 34 reacts; the spring being retained within the counter-bore by a nut 35, this nut having a square opening within which the square shank of bolt 32 is slidally retained. It is noted that the spring tends to engage the bolt with the holes in the worm wheel unless prevented; The protruding square shank of bolt 32 is turned down and fashioned to form a stop surface 36, see Fig. V, this wedge-shaped undercutting is designed to register with a correspondingly shaped surface 37 on the top of a trip bolt 38. Bolt 38 is fashioned with a square upper end slidally journaled within a casing lug on the housing; below the square portion is a reduced shank 39 terminating in a flattened end adapted to be aflixed to an operating lever. Within the casin g 40 and encasing the shank 39 is a spiral spring 41 normally tending to 3 push the bolt end 33 upwardly. Aliixed to the end of the shank 39 is a link 42, in turn attached to a foot treadle bell crank lever '43 balanced by a spiral spring 44. See Figs.

ii, in and iv. The above description will make it clear that the clutch bolt 32 tends to always engage the worm 28 in a manner to non-rotatably associate the cam wheel 30 therewith. Non-enagement is automatically attained when the end 36 of bolt 32 has run onto and interlocked with the protruding end 37 of trip bolt 38 from which it'can only be released by the treadle lever 43 through the gearing thus described.

Rotation of the core and chucks by either right or left drive elements is attained as follows :Vertical drive shaft 23 is provided with a clutch 45 operated by a shifter 46 suitably journaled within either housing 2 or 3. The upper half of the clutch 45 is con nected to the stem of bevel gear 47 journaled within the head of the housing; gear .47 I

port reciprocating spindle 62 and an en larged counterbore within which is housed the tubular cam slide .58 for oscillating said spindle, both as hereinafter described.

Fabric support arm reciprocating gear. The mechanism for manipulating the fabric support'arms follows:Se'e Figs. II, VI, V 11, IX and Within the cam wheel 30 is a cam. groove 54 within which runs a tracer on the end of a lever 55 fulcrumed at 56 on lug on the housing, the upper end of the lever terminating in a yoke 57 rotatably jour aied within flanges fashioned on a spool cam which cam is slidably mounted on a key 59. within the counterbore of shaft 49, thus requiring that rotate with 49 but being freeto slide axially thereof. Within the spool 53 is cut spiral cam slot 60, adapted to slidably house the projecting ends of a (rain pin 61 fixed within the oscillating spindle 62; the spindle, thus retained within the cam 58., is locked for rotation with it but capable of an oscillatory movement 7 lugs (38011 which are fulcrumed.t e arms 69.

The arms 69 have a. counter balance portion 70 designed to create an,.unbalanccdcor I ponent tending to centrifugally throw the free end of the arm 'axiallytowa'rd the core .when the system is inrevolution.v The foot of the arm 69 is further provided \i'ith a tripping lug 71 havlnga laterally flattened face to orevent its-entrance into the rad al slots 85 of ,the'slide. 79 to" be, hereafter ex;

plained. Onthe freeend of the arm '69 is a.- fabric supporting palm 72.. See

XIII. It will beunderstood that'thereare a l iiiality ofgthesearmsGQ, each hayingi'iits independent rat-c1166 actuatedhy independent pin'ions 64:; the entire system'I-being operated by the partial revolution of thefgeaii wheel oscillation of thespindle 62. i

. i;-lmatripping geargf-The mechanismafor operating this device follows -See Figs. II 7 VII and XII. "lVithin the cam wheel- 30, op:

. posite the fabric arm gear regulating groove 54, is a-second groove =73 :within which runs atracer on the end of @lQVE-Tl; fulcrumed at 56 on a lug onthe housing. Intermed ateot the ends otlever .745 is jourilaled aciiosslink 75, extending centrally thronghthe housing and journaledat 'zo ito theendofa lever.

I 7'? haying a forked end- 78- rotataloly. 10111:;

naled within flanges fashioned ;on.- a tubular slide 79 Lever 7'? is ;tulcrumed on lugsQS O on the housing. Tubular-slide 7 9 jis' nade to a slidably encase the shaft 4t9 beihg nonerotat ably keyed thereon at, 8,1 but free to. slide a xially under the thrust of: the 10am; actuated levers; See Fig. VII. The endofthe sllde adjacent the core is finished; with a shoulder and slightly removed therefrom a deep flange 83 havinga smoothsliding-face 8 L and radial slots 8:5: therein adapted {t0 house the counterbalance portions70goftheseyeral arm members 69.

The p articular. relation oftheslide [to the arms 69"will bepresently .explained.

'The' chuck *mechanismJ- The-component partsof the chucks, right and lefthand," willbe explained, 50 representingthe rigl'it hand chuck holder and 51 the-deft. Figs. VII, VIII, IX, X and} Particularly describing the right hand (33' as determined by the de i'eeangnlar chuckzfit is noted that adjacent the gear wheel 63 isa spacer disc 86in which thepins (35 of the pinions (34 are'journaled and which further serves to separate the gear 63 from the chucking. screw disc 87. This disc 87 is provided with spirally cut. teeth engaging like teeth on the-radially reciprocable' work holders 88. Disc' 87 is rotatably housed with: in the recessed portion of disc 86 andlfui ther retained therein by a disc clutch face member 89'. A plurality of'pinions 9 Oj.are

in mesh with the teeth 91 in the peripheryof the screw disc 87 These pinions are non rotatably mounted on suitahlepinsl92 journaled within 86 and S9 and-havinga squarc shank 93.0 11 which a socket wrench maybe is likewise caused to rotate,'.t11espira1 teeth. on its face engaging those'on, the-rec procat-' iitted to revolve the disc. See Figs. and i lVhen pinions-90'are rotatedlthe disc *8? I ing, work holders 88 causing them 'to'f-moite radially Within slots-Qtij'n' thei fajce member 89 within which the holders 88 are housed. It will be noted that the face memberjBQ is provided with projecting anddepressed er-f tions on its exposed surfaceLforrningplutcli members 5 adapted to. regis tgf withf gspending members; on the complementary ijac'e' ofthefleft hand cliuckflface"piecegc95i Through .pins 9 6 ,retain.parts 50,86 and 89 i11 non-rotatablerelation. -See Fig. VIII;

" Particularly describing: the left hand chuck; it is noted that. its geai ing" for re ciproca'ting the fabric support arms H V simila tothat described; for; and fshownjon,

the scctionofthe right hand.'chuckg fDirects ly adj acentthechuckholder piece 51 is'ftli'e disc clutch memembe1 -595, thisniember co acts with-face piece 89 aska c1utchwhen the --parts are drawntogether ihaving, .forfthat I u purpose.- projections and" depressions on its exposed surface adapted to register with coma plementary portionson piece, 89.. The p I Stand 95 are non-rotatably-associated y through pins 97. lSee liig.:VIII;v U

Operation of mm ma chz'nerln view of 'theexact and. detailed schemeoi disclosure hereinbefore made, the operation of the machine will ,be described-briefly.

The ply of fabric; is nounted.on tlieicore' f in any. suitable manner. and 0Tl -.SllCl1. lGIlg-tl1 asp-will completely o'oyein thefcircumference. The clutches on ,the cor1e' rotating I of course out; alsotheclutch;opeiatinggthe am Wh e t abm ipulate th a e 1i?- shafts are, I

P ar an th ge r tha 1 s them.

The fabric having been laidmne of. the core driving clutches, either right or: "hand elements, depending upon the. desired direction Bot rota-tion of the core; is e men. in.

' Up o th itim th if b' i pp arm a e not in use, itgbeinggnotedz thati theyi are nor:

mally tripped out of operating position by the sl ide Z9 toass une POsjIUOTIFi B HSQB- X11, and so remain until released by the operation of the cam wheel 30, which 1s manually controlled by the operator"independs ently of the rotation of the core.-

As the core rotates at the desired speed the strip of fabric, adhering only over a small area in the medlan plane ofthe core,

has its Outstanding and unappliegl skirts thrown centrifugally outward, see especially T 7 I. L. L I

rig. XIV. The'process or stitching or applying the fabric to the core is now in order;

that is, the fabric support arms are now Fig. XII which graphically brings out this The behavlor of the arms 69 as feature. I regulated by the synchronized movements o f the radial reciprocating gear and the armtripping slide during one complete revolution ofthe cam wheel or, stitching cycle, is shown. ihe figure merely shows the action of one of the arms, it being understood that all are similarly actuated in unison.

The right hand chuck mechanism is illustrated as t ical of both it havin; been P o previously --expla1ned that the corresponding" 7 arms on both chucks may be simultaneously operated should stitching discs be simul-i taneously applied to lay fabric on. both sides of the core. I "In the diagram, position B shows the fabric a'r'm69 tripped by the slide'79 shown indotted position, being the off position; it being "noted that this condition of inactitity is accounted for by the inoperative state of the cam wheel 30, see Fig IV; Iii-this as position itis noted that the end 86 of clutch.

bolt 32 has automatically run onto the tripping bolt end 37 and disengaged itself at the predetermined relation of the cam gear that has' left the slide 79 in the position mentioned to throw arm 69 into position B. The bolt 32 must be manually released to clutch into the worm 28 by a foot lever 4E3 and it will engage therein when so released and cause the cam wheel to make one full, revolution before automatically run ning into the above mentioned off position.

During a revolution of the cam wheel the.

..fabric arms are caused to make one com plete reciprocation and the tripping slide to release and trip the arms 69 once. I

"At this point starting with position B, the operator presses the foot lever on 43 thus releasing bolt 32 which promptly engages the cam'wheel in rotating relation with the constantly running worm wheel 28'and the V functioning.

arm manipulating mechanism is started on its cycle. The cam mechanism moving the arms 69 radially outwardimmediately starts At the start of this cycle the arm 69 at B is there held by the shoulder 82 of slide 7 9, shown close to the core in dotted lines; the shoulder 82 has contacted with .lug 71' an arm 69 fulcrun'iing same downwardly until the counterbalance 70 is within the slotted portions 85 of the flange 83. As the arm reoiprocates outwardly and rises to BB the tripping lug. 71 runs top of the shoulder 82 causing the arm to swing by centrifugal force axially toward the core assuming the position C which is axially fixed by contact of the lug 71 with the face 8% of the slide; the path of travel of the palm from BB to .C is on the line BB-C. it is noted that the slide not been caused to move a though the arm 69 is running rapidly outward. From C the arm'rises' to its outer limit G0; a parallel course to the median plane through the The parallel travel path is fixed in order that the palm/72 shall not come-into contact off the core 52; its line'of travel being C -CC;

with the core or with a layer of fabric pre- 1 viously laid thereon. .It is noted that the path is determined by the contact of the lug This releases the arm 69 to swing centrifu gally against thecore and to form a guide and support fort-he stitching. oithe fabric- The operator now applies the stitcherroller to the fabric: and the laying operation com:

mences. radially inward under the pull of its gearing the operator follows down with his disc keeping the feed adjusted to always operate. at the p'oint. of incident of the palm 72 and the core. During the downward travel of always contacting with thecontour of the coreunder centrifugal action,- thus properly As the-arm 69 is now retreating the arm-on the path .C'Ceik the palm "is ioo supporting the fabric during the entire'op H eration "of stitching. The'a'rm eventually reaches the low pomt'FA, which 18 the end of ts-utility n thestitching operat on; at

this point the slide'79 is caused toadvance 'by a further operation of its cam gear, to the positionshown indott'ed'lines; the shoulder 82 contacting with the lug 71 of the lever tripping it to the off position FBi The line of swing of the palm isindicated as AB. At this pointthe cam 1 wheel is automatically released from the driving worm by the running up of bolt 32 onto the stop 38. Y V p If, for any reason, it is desired to continue the rotation of the core, as to further roll the applied fabric,trim the selvage, etc, a

, this maybe done without-affecting the fabric arm gear which remains idle until manug allyreleased.

As previously explained, the stitching may be done on one side of the core only.

the rotation being favorable to. the run oi 7 tion "of the worksupport members; I

, L'A device ofthe character descr ibed,'

the fabric weave; if this is the method followed the appropriate clutches will be manipulated, thus reversingthe direction of rotation of the core, and the stitching operation, aided by the fabric arms proceeded with on the unapplied fabric on the opposite side as heretofore explained.

Having now described an efiicient carcass forming machine, constructed with devices in coacting and synchronizedrelation with the driving gear, and capable of being operated by one of small experience in the art; what I claim as new tlierein'and desire to secure by Letters Patent is:

1. A device of the character described, comprising a revoluble core; radially reciprocable work support members operably.

associated with the core, and co-exte'nsive with the circumference thereof and means for moving them into and out of operable Contact with the work. '2. A device of the character described, comprising a revolublecore; .a chuck associated therewith; radially reciprocable work support members slidable within the chuck and means for moving them into and out of operable position. A device of the character described, comprising a revoluble core; achuck associatedlherewith radially reciprocable work 7 comprisinj ea core, non -rotata'bly associated with a chuck radially reciprocable guide means slidably mounted on; the chuck and actuatedby nieai'isth erein; axially movable y.

support members slidably associated with the chuck and means for associating the revolution of the chuck-with the reciprocacomprising a reyol'ublecore innon-rotatabl'e association with a-"ch'u'ck ;-radial-ly reoiproca ble membersflslidably associated with the chuck; and-means for'rotating the chuck independently of the reciprocating means for the reciprocable members.

' 5. A device of the character described, comprising a revoluble core demountably and non-rotatably associated with a chuck; a plurality of'radially reciprocable members slidablyassociated with the chuck in non-- rotatable relation thereto; means for rotating the chuck and means for relating the rotation thereof to the reciprocating means for operating the reciprocable members.

6. A device of the character described, comprising a revoluble core a chuck member associated therewith; radially reciprocable members slidably mounted on the chuck;

means within the chuck for reciprocating said members in synchronized relation to the revolution thereof.

a the chuck; means Within the-chuck in operable associationwith the reciprocable mein-" bers, whereby said members are advanced and retracted radially in synchronized relation with the revolving speed of the core and at a predetermined time.

8. A device of the character described,

comprising a core, non-rotatably associated with a chuck radially reciprocable guide members slidably mounted on the chuck; means for reciprocating the guide members, and synchronized means for axially displacing the guide members from the core.

9.;A device of the character described, comprising a'core, 'non-rotatab'ly associated with a chuck; radially reciprocable guide members slid ably mounted on the chuck and actuated by means within the chuck ;p;a-iid synchronized means foraxially displacing the guide-members froin'the core automatically when the guides have reached a predemembers in synchronized relation with the V chuck rotating means andrm'eans. for automatically .displacing'the guides. aXially'ot' the core at a predetermined position, said displacing means being in synchronized association with the chuok rotating and guide reciprocating means.

ll'fil clevicer of the character described,

guide displaciiigj-ineans in synchronized re lation wlth the 'reciprocating means whereby the ath oftravel o'f the guide is autoinatically controlled during a part ef'its travel.

' -12. *A 'device" of the character described,

means thereon comprising a centrifugally unbalancedlever having a palm onthefre end thereof and a trip on the fulcriimend;

means-associated with the chuck, but independently actuated, for reciprocating said guides; axially slidable means" for vcontrol- H ling the centrifugal action of the reciprocating lever whereby the path-of travel of the palm is controlled during its outward move ment and-axially disengaged from contact; with the core at a predetermined position;

and synchronized mechanism for. associating the reciprocation of the lever with the axially disengaging means. I

13. A device of the character describech,

comprising a revoluble core, non-rotatably .associated with achuck; a plurality ntrae dially reciprocable arms slidable on the chuck; means for reciprocating the arms in synchronized relation with therchuck rotating; means; an axially slidable' member, adapted to control the relation of'the free end of the fillllSWltll relation to, core, and

ing radially reciprocable arms and means for disengaging the arms and rendering them inoperative. substantially as, andfor the purpose set forth.

'16. In combination with a stitcher mecha" nism, a revoluble core; a plurality of reciprocable arms radial ot' the core having guide and support members thereon and means associated therewith independent of the 'stitcher mechanism whereby the guides advance, and recede radially in cooperation with the contour. of the core during the stitching operation to effectively form a guide for the stitching device,

17. In coinloination with a stitcher disc, having a serrated periphery, a revoluble core; radially reciprocable members'associated" with the core, and automatic means for radially and axially manipulating the reciprocable members whereby the raterjand manner of stitching the material to the core is controlled. 7

18. A device otfthe character described, comprising a revoluble core; automatically operated work support means adapted to radially recede in uXtaposed relation with the contour of the core; means for disengaglng chuck tobecome operative; 7 V

In testimony whereof I affix my signature.

work support members operably associated V with the core, said members being regularly spaced in relatively close proximity circumterentially of said core, and means for simultaneously manipulating said work sup port 'members radially toward and away 7 from the axis of the core. I

20. A device of the character described, comprising a revolublecore; radially reciprocable work support members o'perably associated with the core in synchronized relation thereto; means for simultaneously retracting the work support means incontrolled relation with the contour of the core,

andmeans for disengaging the work support means from the core at a predetermined than the retracting path. i 1 7 21. A device ot the character described, comprising substantially counterpart and separable chucks; a core on one 'chuckrau point and extending same in a'path other tomatically operated work support vmeans radially reclprocable on each Cli11Cl-H16LDS for non-rotatably associating the chucks; means for SGlGOtLVGlY dr ving the associated chucks in eitherjdirection; and means tor simultaneously or "selectively causing the work support means on either associated JosnrinLA o oiX. 

